Network Security Engineer
You run and secure enterprise networks, from routing and firewalls to VPNs and recovery.
Competency areas
- Cybersecurity Architecture
- Defensive Cybersecurity
- Network Operations
- Systems Security Analysis
- Infrastructure Support
Aramis:Current Daily
A short reading list for a Network Security Engineer, under 30 minutes per edition.
2026-09-30. 7 minutes in total
Cisco Catalyst SD-WAN Manager API Authentication Bypass Vulnerability
Cisco, 2026-09-30. Read, 7 min.
Why it matters for this role: Until the upgrade lands, keep SD-WAN Manager behind a filter that admits only known, trusted hosts, because Cisco has no workaround for on-premises systems beyond that mitigation.
Job description templates
Three ready-to-edit drafts for hiring managers and recruiters: copy one, replace the bracketed lines, and post it. Responsibilities and requirements are drawn from the same NICE statements this role is measured against.
Statements use the official NICE Framework wording, which is published in English.
Network Security Engineer: Junior
We are hiring a junior Network Security Engineer. You run and secure enterprise networks, from routing and firewalls to VPNs and recovery. At this level you take on well-defined parts of the work, with senior colleagues to learn from, and grow into the rest.
[Company] provides [what you do]. The security function is [size and shape: e.g., a five-person team reporting to the CTO]. Replace this paragraph with your own.
Responsibilities
- Diagnose network connectivity problems
- Install or replace network hubs, routers, and switches
- Integrate new systems into existing network architecture
- Monitor network capacity and performance
- Improve network security practices
- Configure network hubs, routers, and switches
- Optimize network hubs, routers, and switches
- Develop network backup and recovery procedures
- Pair with senior colleagues and grow through structured feedback.
- Document what you do so the team learns with you.
Required knowledge
- Remote access principles and practices
- Virtual private network (VPN) systems and software
- Network firewall principles and practices
- Microprocessors
- Programming language structures and logic
- Technology integration processes
- System optimization techniques
- Computer networking protocols
Skills
- Establishing a routing schema
- Securing network communications
- Applying network access controls
- Developing network infrastructure contingency and recovery plans
- Testing network infrastructure contingency and recovery plans
How to use this template
Copy the draft, replace every bracketed line, cut statements that do not apply to your opening, and add your compensation range and location policy. The statement lists come from the NIST NICE Framework v2.2.0, so candidates can be assessed against the same statements with Aramis:Insight.
Network Security Engineer: Mid-level
We are hiring a mid-level Network Security Engineer. You run and secure enterprise networks, from routing and firewalls to VPNs and recovery. You own this work day to day and work closely with the rest of the security team.
[Company] provides [what you do]. The security function is [size and shape: e.g., a five-person team reporting to the CTO]. Replace this paragraph with your own.
Responsibilities
- Diagnose network connectivity problems
- Install or replace network hubs, routers, and switches
- Integrate new systems into existing network architecture
- Monitor network capacity and performance
- Improve network security practices
- Configure network hubs, routers, and switches
- Optimize network hubs, routers, and switches
- Develop network backup and recovery procedures
- Implement network backup and recovery procedures
- Install network infrastructure device operating system software
- Maintain network infrastructure device operating system software
- Patch network vulnerabilities
Required knowledge
- Remote access principles and practices
- Virtual private network (VPN) systems and software
- Network firewall principles and practices
- Microprocessors
- Programming language structures and logic
- Technology integration processes
- System optimization techniques
- Computer networking protocols
- Risk management processes
- Cybersecurity laws and regulations
- Cybersecurity policies and procedures
- Privacy laws and regulations
Skills
- Establishing a routing schema
- Securing network communications
- Applying network access controls
- Developing network infrastructure contingency and recovery plans
- Testing network infrastructure contingency and recovery plans
- Implementing established network security practices
- Configuring network devices
- Installing network devices
How to use this template
Copy the draft, replace every bracketed line, cut statements that do not apply to your opening, and add your compensation range and location policy. The statement lists come from the NIST NICE Framework v2.2.0, so candidates can be assessed against the same statements with Aramis:Insight.
Network Security Engineer: Senior
We are hiring a senior Network Security Engineer. You run and secure enterprise networks, from routing and firewalls to VPNs and recovery. You set the direction for this work, mentor the people who do it, and answer for its results.
[Company] provides [what you do]. The security function is [size and shape: e.g., a five-person team reporting to the CTO]. Replace this paragraph with your own.
Responsibilities
- Diagnose network connectivity problems
- Install or replace network hubs, routers, and switches
- Integrate new systems into existing network architecture
- Monitor network capacity and performance
- Improve network security practices
- Configure network hubs, routers, and switches
- Optimize network hubs, routers, and switches
- Develop network backup and recovery procedures
- Implement network backup and recovery procedures
- Install network infrastructure device operating system software
- Maintain network infrastructure device operating system software
- Patch network vulnerabilities
- Administer Virtual Private Network (VPN) devices
- Test network infrastructure, including software and hardware devices
- Maintain network infrastructure, including software and hardware devices
- Manage network access control lists on specialized cyber defense systems
- Mentor junior team members and review their work.
- Represent this function to leadership and to auditors or clients.
- Set standards, select tooling, and own the roadmap for this area.
Required knowledge
- Remote access principles and practices
- Virtual private network (VPN) systems and software
- Network firewall principles and practices
- Microprocessors
- Programming language structures and logic
- Technology integration processes
- System optimization techniques
- Computer networking protocols
- Risk management processes
- Cybersecurity laws and regulations
- Cybersecurity policies and procedures
- Privacy laws and regulations
- Privacy policies and procedures
- Cybersecurity principles and practices
Skills
- Establishing a routing schema
- Securing network communications
- Applying network access controls
- Developing network infrastructure contingency and recovery plans
- Testing network infrastructure contingency and recovery plans
- Implementing established network security practices
- Configuring network devices
- Installing network devices
- Configuring network protection components
- Troubleshooting cyber defense infrastructure anomalies
How to use this template
Copy the draft, replace every bracketed line, cut statements that do not apply to your opening, and add your compensation range and location policy. The statement lists come from the NIST NICE Framework v2.2.0, so candidates can be assessed against the same statements with Aramis:Insight.
Related roles
Roles with similar work or at a similar career stage. Each has its own job description templates and a free assessment.